Commit 0ce25e4b authored by Markuss Broks's avatar Markuss Broks Committed by Dmitry Torokhov
Browse files

dt-bindings: input/touchscreen: bindings for Imagis 



This patch adds device-tree bindings for the Imagis
IST3038C touch screen IC.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMarkuss Broks <markuss.broks@gmail.com>
Link: https://lore.kernel.org/r/20220305165330.13061-2-markuss.broks@gmail.com


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent e4ce4d3a

Documentation/devicetree/bindings/input/touchscreen/imagis,ist3038c.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/input/touchscreen/imagis,ist3038c.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Imagis IST30XXC family touchscreen controller bindings



maintainers:

  - Markuss Broks <markuss.broks@gmail.com>



allOf:

  - $ref: touchscreen.yaml#



properties:

  $nodename:

    pattern: "^touchscreen@[0-9a-f]+$"



  compatible:

    enum:

      - imagis,ist3038c



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  vdd-supply:

    description: Power supply regulator for the chip



  vddio-supply:

    description: Power supply regulator for the I2C bus



  touchscreen-size-x: true

  touchscreen-size-y: true

  touchscreen-fuzz-x: true

  touchscreen-fuzz-y: true

  touchscreen-inverted-x: true

  touchscreen-inverted-y: true

  touchscreen-swapped-x-y: true



additionalProperties: false



required:

  - compatible

  - reg

  - interrupts

  - touchscreen-size-x

  - touchscreen-size-y



examples:

  - |

    #include <dt-bindings/interrupt-controller/irq.h>

    i2c {

      #address-cells = <1>;

      #size-cells = <0>;

      touchscreen@50 {

        compatible = "imagis,ist3038c";

        reg = <0x50>;

        interrupt-parent = <&gpio>;

        interrupts = <13 IRQ_TYPE_EDGE_FALLING>;

        vdd-supply = <&ldo1_reg>;

        vddio-supply = <&ldo2_reg>;

        touchscreen-size-x = <720>;

        touchscreen-size-y = <1280>;

        touchscreen-fuzz-x = <10>;

        touchscreen-fuzz-y = <10>;

        touchscreen-inverted-x;

        touchscreen-inverted-y;

      };

    };



...

Documentation/devicetree/bindings/vendor-prefixes.yaml

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@@ -545,6 +545,8 @@ patternProperties: 
    description: Ingenieurburo Fur Ic-Technologie (I/F/I)

  "^ilitek,.*":

    description: ILI Technology Corporation (ILITEK)

  "^imagis,.*":

    description: Imagis Technologies Co., Ltd.

  "^img,.*":

    description: Imagination Technologies Ltd.

  "^imi,.*":